Python how to use POST variable as object parameter

Question

How can I do this:

reader = csv.reader(open(file_path, 'rb').read().splitlines(), delimiter=";")
p = Product()

for key, row in enumerate(reader):
    f = request.POST.get('select_%s' % key) // ex. productname
    p.f = row[key] // HOW TO?, p.f should be "productname" from the variable

Hope you can helt me!

key is enumerated number, i.e. the row number, are you sure you want to do row[key]?? — avasal
– avasal, Commented Jan 31, 2013 at 8:29
I'm confused too. Is the problem setting an attribute on p which you only know the name of at runtime? If so, try setattr. — Duncan Parkes
– Duncan Parkes, Commented Jan 31, 2013 at 8:29
Sorry that i was unclear - it was the setattr function I was after .. it worked! ;) — pkdkk
– pkdkk, Commented Jan 31, 2013 at 8:35
#avasal you was right ... the result end op like this: for row in reader: p = Product() for i in range(0, len(row)): f = request.POST.get('select_%s' % i) setattr(p, f, row[i]) — pkdkk
– pkdkk, Commented Jan 31, 2013 at 8:49

Steve Mayne · Accepted Answer · 2013-01-31 08:34:31Z

2

Use setattr to set an attribute of an object based on a name at runtime:

reader = csv.reader(open(file_path, 'rb').read().splitlines(), delimiter=";")
p = Product()

for key, row in enumerate(reader):
    f = request.POST.get('select_%s' % key) // ex. productname
    // p.f should be "productname" from the variable
    setattr(p, f, row[key])

answered Jan 31, 2013 at 8:34

Steve Mayne

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